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Start Over Author "Thonicke, Kirsten" Journal global change biology
10 results on '"Thonicke, Kirsten"'

2. Large-scale impact of climate change vs. land-use change on future biome shifts in Latin America

Author

Boit, Alice, primary, Sakschewski, Boris, additional, Boysen, Lena, additional, Cano-Crespo, Ana, additional, Clement, Jan, additional, Garcia-alaniz, Nashieli, additional, Kok, Kasper, additional, Kolb, Melanie, additional, Langerwisch, Fanny, additional, Rammig, Anja, additional, Sachse, René, additional, van Eupen, Michiel, additional, von Bloh, Werner, additional, Clara Zemp, Delphine, additional, and Thonicke, Kirsten, additional

Published
2016
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3. Variation in stem mortality rates determines patterns of above‐ground biomass in A mazonian forests: implications for dynamic global vegetation models

Author

Johnson, Michelle O., primary, Galbraith, David, additional, Gloor, Manuel, additional, De Deurwaerder, Hannes, additional, Guimberteau, Matthieu, additional, Rammig, Anja, additional, Thonicke, Kirsten, additional, Verbeeck, Hans, additional, Randow, Celso, additional, Monteagudo, Abel, additional, Phillips, Oliver L., additional, Brienen, Roel J. W., additional, Feldpausch, Ted R., additional, Lopez Gonzalez, Gabriela, additional, Fauset, Sophie, additional, Quesada, Carlos A., additional, Christoffersen, Bradley, additional, Ciais, Philippe, additional, Sampaio, Gilvan, additional, Kruijt, Bart, additional, Meir, Patrick, additional, Moorcroft, Paul, additional, Zhang, Ke, additional, Alvarez‐Davila, Esteban, additional, Alves de Oliveira, Atila, additional, Amaral, Ieda, additional, Andrade, Ana, additional, Aragao, Luiz E. O. C., additional, Araujo‐Murakami, Alejandro, additional, Arets, Eric J. M. M., additional, Arroyo, Luzmila, additional, Aymard, Gerardo A., additional, Baraloto, Christopher, additional, Barroso, Jocely, additional, Bonal, Damien, additional, Boot, Rene, additional, Camargo, Jose, additional, Chave, Jerome, additional, Cogollo, Alvaro, additional, Cornejo Valverde, Fernando, additional, Lola da Costa, Antonio C., additional, Di Fiore, Anthony, additional, Ferreira, Leandro, additional, Higuchi, Niro, additional, Honorio, Euridice N., additional, Killeen, Tim J., additional, Laurance, Susan G., additional, Laurance, William F., additional, Licona, Juan, additional, Lovejoy, Thomas, additional, Malhi, Yadvinder, additional, Marimon, Bia, additional, Marimon, Ben Hur, additional, Matos, Darley C. L., additional, Mendoza, Casimiro, additional, Neill, David A., additional, Pardo, Guido, additional, Peña‐Claros, Marielos, additional, Pitman, Nigel C. A., additional, Poorter, Lourens, additional, Prieto, Adriana, additional, Ramirez‐Angulo, Hirma, additional, Roopsind, Anand, additional, Rudas, Agustin, additional, Salomao, Rafael P., additional, Silveira, Marcos, additional, Stropp, Juliana, additional, Steege, Hans, additional, Terborgh, John, additional, Thomas, Raquel, additional, Toledo, Marisol, additional, Torres‐Lezama, Armando, additional, Heijden, Geertje M. F., additional, Vasquez, Rodolfo, additional, Guimarães Vieira, Ima Cèlia, additional, Vilanova, Emilio, additional, Vos, Vincent A., additional, and Baker, Timothy R., additional

Published
2016
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5. Effects of climate extremes on the terrestrial carbon cycle: concepts, processes and potential future impacts

Author

Frank, Dorothea, primary, Reichstein, Markus, additional, Bahn, Michael, additional, Thonicke, Kirsten, additional, Frank, David, additional, Mahecha, Miguel D., additional, Smith, Pete, additional, van der Velde, Marijn, additional, Vicca, Sara, additional, Babst, Flurin, additional, Beer, Christian, additional, Buchmann, Nina, additional, Canadell, Josep G., additional, Ciais, Philippe, additional, Cramer, Wolfgang, additional, Ibrom, Andreas, additional, Miglietta, Franco, additional, Poulter, Ben, additional, Rammig, Anja, additional, Seneviratne, Sonia I., additional, Walz, Ariane, additional, Wattenbach, Martin, additional, Zavala, Miguel A., additional, and Zscheischler, Jakob, additional

Published
2015
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7. Variation in stem mortality rates determines patterns of above-ground biomass in Amazonian forests: implications for dynamic global vegetation models.

Author

Johnson, Michelle O., Galbraith, David, Gloor, Manuel, De Deurwaerder, Hannes, Guimberteau, Matthieu, Rammig, Anja, Thonicke, Kirsten, Verbeeck, Hans, Randow, Celso, Monteagudo, Abel, Phillips, Oliver L., Brienen, Roel J. W., Feldpausch, Ted R., Lopez Gonzalez, Gabriela, Fauset, Sophie, Quesada, Carlos A., Christoffersen, Bradley, Ciais, Philippe, Sampaio, Gilvan, and Kruijt, Bart

Subjects
ALLOMETRY, TREE growth, CARBON sequestration in forests, GROUND vegetation cover, TROPICAL forests
Abstract

Understanding the processes that determine above-ground biomass ( AGB) in Amazonian forests is important for predicting the sensitivity of these ecosystems to environmental change and for designing and evaluating dynamic global vegetation models ( DGVMs). AGB is determined by inputs from woody productivity [woody net primary productivity ( NPP)] and the rate at which carbon is lost through tree mortality. Here, we test whether two direct metrics of tree mortality (the absolute rate of woody biomass loss and the rate of stem mortality) and/or woody NPP, control variation in AGB among 167 plots in intact forest across Amazonia. We then compare these relationships and the observed variation in AGB and woody NPP with the predictions of four DGVMs. The observations show that stem mortality rates, rather than absolute rates of woody biomass loss, are the most important predictor of AGB, which is consistent with the importance of stand size structure for determining spatial variation in AGB. The relationship between stem mortality rates and AGB varies among different regions of Amazonia, indicating that variation in wood density and height/diameter relationships also influences AGB. In contrast to previous findings, we find that woody NPP is not correlated with stem mortality rates and is weakly positively correlated with AGB. Across the four models, basin-wide average AGB is similar to the mean of the observations. However, the models consistently overestimate woody NPP and poorly represent the spatial patterns of both AGB and woody NPP estimated using plot data. In marked contrast to the observations, DGVMs typically show strong positive relationships between woody NPP and AGB. Resolving these differences will require incorporating forest size structure, mechanistic models of stem mortality and variation in functional composition in DGVMs. [ABSTRACT FROM AUTHOR]

Published
2016
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